Is Red 40 Bad for You? What the Research Says
Red 40 is the most widely used artificial food dye in the US. Here's what scientists know about it, what regulators have done, and how to avoid it.
★ Featured guide ★
A deep dive into no artificial dyes gummy bears, label rules, and dye-free shopping tips.
Red 40 is the most widely used artificial food dye in the US. Here's what scientists know about it, what regulators have done, and how to avoid it.
Yellow 5 (Tartrazine) and Yellow 6 (Sunset Yellow) are two of the most common food dyes in candy and snacks. Here's what the research says about their side effects.
The EU has required warning labels on foods with artificial dyes since 2010. Here's how European candy differs from what's sold in America.
The FDA officially banned Red No. 3 in early 2025, with full removal from food required by 2027. What this means for the candy you buy today.
Mars Wrigley announced dye-free options for M&M's, Skittles, Starburst, and Extra Gum in 2026. Here's what's actually changing — and what isn't.
A clear guide to Red 40, dye-free labels, and how to choose gummies with natural colors.

A closer look at how we source, test, and pack every patriotic gummy bear.